The Pommern, formerly the Mneme (1903–1908), is a windjammer. She is a four-masted barque that was built in 1903 in Glasgow, Scotland at the J. Reid & Co shipyard.

She is one of the Flying P-Liners, the famous sailing ships of the German shipping company F. Laeisz. Later she was acquired by Gustaf Erikson of Mariehamn in the Finnish Åland archipelago, who used her to carry grain from the Spencer Gulf area in Australia to harbours in England or Ireland until the start of World War II.

On 2 March 1925, Pommern ran aground at Port Germein, South Australia, but she was refloated and returned to service.

After World War II, Pommern was donated to the town of Mariehamn as a museum ship. She is now a museum ship belonging to the Åland Maritime Museum and is anchored in western Mariehamn, Åland. A collection of photographs taken by Ordinary Seaman Peter Karney in 1933 showing dramatic pictures of life on a sailing ship rounding Cape Horn can be found in the National Maritime Museum at Greenwich.

Pommern has the reputation of being a "lucky ship". She survived both world wars unscathed, lost only four crew members at sea on her journeys, and won the Great Grain Races twice, 1930 and 1937. She is one of the most popular landmarks of Åland, and is visited by thousands of visitors annually.

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